U.S. economy grows at fastest pace in more than two years, third-quarter GDP shows

The U.S. economy expanded at its fastest pace in more than two years in the third quarter, according to the latest GDP report. The acceleration was driven by two notable forces: a wave of investment tied to artificial intelligence and resilient spending among wealthier households. Together, these factors helped offset softer demand elsewhere in the economy.

For markets, the headline growth figure matters less than what sits beneath it. AI-related capital spending suggests businesses are committing to long-term technology infrastructure, a theme that has already shaped equity leadership. Meanwhile, the concentration of consumer spending among higher-income households raises a question about how broad-based the expansion really is.

What to watch: whether growth of this magnitude influences the Federal Reserve's thinking on interest rates, and whether AI investment continues at the same pace into coming quarters. A single quarter's GDP reading is backward-looking, and revisions can shift the picture. Sustained growth alongside easing inflation would be a supportive backdrop, but investors should track the durability of both drivers rather than treat one report as a trend.